Finding the Third Proportional to 247.50 and 377.86

Step by Step Solution

1. Step 1: Write the proportion equation
   247.50 : 377.86 = 377.86 : x
2. Step 2: Convert to fraction form
   247.50/377.86 = 377.86/x
3. Step 3: Cross multiply
   247.50x = 377.86 × 377.86
4. Step 4: Simplify right side
   247.50x = 142,777.71
5. Step 5: Solve for x
   x = 142,777.71/247.50
6. Step 6: Final answer
   x = 576.88